Sponge case



FIG. 1 is a front, left, top perspective view showing our new design for a sponge case;

FIG. 2 is a front, left, bottom perspective view thereof;

FIG. 3 is a top view thereof,

FIG. 4 is a bottom view thereof,

FIG. 5 is a front view thereof,

FIG. 6 is a rear view thereof,

FIG. 7 is a right side view thereof; and,

FIG. 8 is a left side view thereof. 

CLAIM The ornamental design for a sponge case, as shown and described. 